1 ; RUN: llc -mtriple=aarch64-none-linux-gnu -disable-fp-elim < %s | FileCheck %s 2 @var = global i32 0 3 4 declare void @bar() 5 6 define void @test_w29_reserved() { 7 ; CHECK-LABEL: test_w29_reserved: 8 ; CHECK: add x29, sp, #{{[0-9]+}} 9 10 %val1 = load volatile i32* @var 11 %val2 = load volatile i32* @var 12 %val3 = load volatile i32* @var 13 %val4 = load volatile i32* @var 14 %val5 = load volatile i32* @var 15 %val6 = load volatile i32* @var 16 %val7 = load volatile i32* @var 17 %val8 = load volatile i32* @var 18 %val9 = load volatile i32* @var 19 20 ; CHECK-NOT: ldr w29, 21 22 ; Call to prevent fp-elim that occurs regardless in leaf functions. 23 call void @bar() 24 25 store volatile i32 %val1, i32* @var 26 store volatile i32 %val2, i32* @var 27 store volatile i32 %val3, i32* @var 28 store volatile i32 %val4, i32* @var 29 store volatile i32 %val5, i32* @var 30 store volatile i32 %val6, i32* @var 31 store volatile i32 %val7, i32* @var 32 store volatile i32 %val8, i32* @var 33 store volatile i32 %val9, i32* @var 34 35 ret void 36 ; CHECK: ret 37 } 38
